On the performance of MF-TDMA multi-carrier demultiplexer/demodulators (MCDs) under five critical degrading factors

  • Authors:

  • Junghwan Kim;Jinyan Li

  • Affiliations:

  • The University of Toledo, Toledo, Ohio;The University of Toledo, Toledo, Ohio

  • Venue:
  • CIIT '07 The Sixth IASTED International Conference on Communications, Internet, and Information Technology
  • Year:
  • 2007

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Abstract

Performance of two MCD (multi-carrier demultiplexer/demodulator) architectures (M-MCDD and PPF) for the on-board processing (OBP) satellite are analytically modeled and numerically evaluated in the presence of five critical degrading factors: narrow-band AWGN, carrier frequency offset/phase offset, ISI and quantization error. Cumulative effects of these factors on two different MCD structures are also assessed for comparison and tradeoff assuming MF-TDMA signal using QPSK. Results show that both MCDs are commonly vulnerable to most degrading factors. When all five degrading factors are considered, PPF method exhibits better BER performance than M-MCDD, especially when carrier phase offset is significant.